Rust

Move trim functions to datafusion-functions #81

Job	Run time
cargo check	10m 49s
cargo test (macos)	25m 53s
build with wasm-pack	2m 27s
Check cargo fmt	44s
cargo test (macos-aarch64)	11m 11s
Verify MSRV (Min Supported Rust Version)	6m 49s
Verify Vendored Code	55s
cargo test (win64)	20m 46s
clippy	2m 16s
check configs.md is up-to-date	2m 34s
check Cargo.toml formatting	2m 50s
cargo test hash collisions (amd64)	9m 16s
cargo doc	3m 58s
cargo test (amd64)	9m 35s
cargo test datafusion-cli (amd64)	3m 30s
cargo test doc (amd64)	12m 57s
cargo examples (amd64)	10m 32s
Run sqllogictest with Postgres runner	3m 13s
cargo test pyarrow (amd64)	2m 0s
verify benchmark results (amd64)	10m 3s
	2h 32m 18s

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